. Introduction to botany. Botany. t'u:n'Gi axd fungous diseases of plants 257 earth, decaying wood (fig. 183), or other nourishing In its growth the myceUum helps to effect decay, and may thereby enrich soils, or, in the case of mushrooms that grow upon living trees, it may hasten their destruction. At times aggre- gations of the mycelium are formed; these are whitish, bud- like growths (called buttons), which are the beginnings of the. Fig. 199. The " shaggy mane " mushroom (Coprimis comatus) At the left of the main group Is one young mushroom just emerging from the soil.
. Introduction to botany. Botany. t'u:n'Gi axd fungous diseases of plants 257 earth, decaying wood (fig. 183), or other nourishing In its growth the myceUum helps to effect decay, and may thereby enrich soils, or, in the case of mushrooms that grow upon living trees, it may hasten their destruction. At times aggre- gations of the mycelium are formed; these are whitish, bud- like growths (called buttons), which are the beginnings of the. Fig. 199. The " shaggy mane " mushroom (Coprimis comatus) At the left of the main group Is one young mushroom just emerging from the soil. The tallest plant in the photograph was 9j inches high. From A. H. R. BuUer's " Researches on Fmigi" mushrooms. They grow and push their way to the surface. As the button elongates, its top begins to expand into the umbrella-like form, and finally opens out as the crown, or pileus, with its center attached to the upper end of the stalk (^stipe) (figs. 199 and 200). As the pileus opens, it is joined 1 "" The Principles of Jlushroom Growing and Spawn Making," Bulletin 85, Bureau of Plant Industry, Dept. Agr., 1905. The United SUtes De- partment of Agriculture publishes several bulletins upon poisonous and edible Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Bergen, Joseph Y. (Joseph Young), 1851-1917; Caldwell, Otis William, 1869- joint author. Boston, New York, [etc. ] Ginn and company
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